assertNotNull(currentResult);
            assertEquals(transformer.getName(), currentResult.getTransformerName());
        }

        // Final result should be from last transformer
        assertEquals("third", currentResult.getTransformerName());
    }

    /**
     * Test null name handling
     */
    public void test_nullNameHandling() {

     */
    public boolean connected() {
        return connected;
    }

    /**
     * Connects to the OpenSearch cluster.
     * Creates a new client and waits for cluster health to be yellow or better.
     */
    public void connect() {
        destroy();
        client = createClient();

        final ClusterHealthResponse healthResponse =

                    }
                }
            }).start();
        }

        startLatch.countDown();
        endLatch.await();

        // All rules should be removed
        assertEquals(100, removeCount.get());
    }

    /**
     * Test mixed operations
     */
    public void test_mixedOperations() {
        TestRule rule1 = new TestRule("rule1", false);

 * It is responsible for fetching URLs from the queue, accessing the content,
 * processing the response, and extracting child URLs.
 *
 * <p>
 * This class implements the {@link Runnable} interface, allowing it to be executed in a separate thread.
 * It uses various services and components, such as {@link UrlQueueService}, {@link DataService},
 * {@link CrawlerContainer}, {@link LogHelper}, {@link CrawlerClientFactory}, and {@link CrawlerContext},